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Did you know?

Your heart beats over 36 million times a year.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

When the United States gets stuck over a controversial issue—usually something a divided Congress ca When the United States gets stuck over a controversial issue—usually something a divided Congress ca
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ... People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
A steady but low reading could indicate retarded valve or ignition timing. A steady but low reading could indicate retarded valve or ignition timing.
Video: Hemodynamics Animation

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